Consider — ñ÷èòàòü

nuclear power plant — àòîìíàÿ ýëåêòðîñòàíöèÿ

engine — äâèãàòåëü

pipeline— òðóáîïðîâîä

feed — ïèòàòü

reason — ïðè÷èíà

hold back (held) — çàäåðæèâàòü

store — íàêàïëèâàòü

Exercise 1. Complete the sentences according to the text:

1. Scientists consider hydrogen...

a) not a very promising energy source;

b) a very promising energy source;

c) a more promising energy source than atomic energy.

2. At present hydrogen fuel is being produced from...

a) the energy of the sun;

b) the energy of the wind and tides;

c) ordinary water.

3. Adding a few per cent of hydrogen to benzene...

a) greatly increases engine efficiency;

b) decreases a little engine efficiency;

c) does not change engine efficiency.

4. Hydrogen is not used widely as a fuel at present because...

a) hydrogen reserves are limited;

b) its production is very expensive at present;

c) it is impossible to accumulate and keep it for a long time.

 

Exercise 2. Choose the proper translation:

1.èñòî÷íèê (ýíåðãèè) — a) reserve; b) resource; ñ) source

2. òîïëèâî — a) fuel; b) oil; c) tide; d) way

3. îáû÷íûé — a) promising; b) efficient; c) cheap; d) conventional

4. ïðåîáðàçîâûâàòü— a) convert; b) consist; c) contain; d) create

5. äîñòèãàòü— a) represent; b) remain; c) resist; d) reach

6. ñòàðàòüñÿ— a) flow; b) try; c) obtain; d) use

7. ïîñðåäñòâîì— a) however; b) namely; c) no wonder; d) by means

8. ïîýòîìó— a) thanks to; b) besides; c) i. å.; d) therefore